Christopher P. Ames, MD
NPI 1265485155ActiveIndividual· Neurological Surgery· San Francisco, CA
Neurological Surgery (MD) in San Francisco, California, trained at University of California, Geffen School of Medicine (class of 1994). 264 Medicare patients in 2024, $510,293 paid; nearly all of their 75 Part D prescriptions were generic (91%). Medtronic, Inc. was the largest of 13 companies reporting payments in 2025, $968,122 in all, mostly royalties and licenses.
Overview
| NPI | 1265485155 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 19, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Neurological Surgery Primary | 207T00000X | A60247 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurosurgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 264 |
|---|---|
| Services billed | 1,566 across 52 procedure codes |
| Paid by Medicare | $510,293 |
Part D prescriptions in 2024
| Prescriptions (claims) | 75 · 80 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $11,596 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Neurosurgery |
| Telehealth | Offers telehealth |
Medical group
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$968,122 · 296 payments from 13 companies
- 2024$1,165,828 · 433 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $404,301 | 198 |
| Depuy Synthes Products, Inc. | $209,903 | 6 |
| Hyhte Holdings Inc. | $183,681 | 4 |
| Icotec Medical Inc. | $49,011 | 9 |
| Alphatec Spine, Inc | $48,798 | 33 |
What the 2025 payments were for
- Royalty or License$694,770 · 15 payments
- Consulting Fee$193,365 · 32 payments
- Travel and Lodging$41,527 · 96 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$26,900 · 7 payments
- Food and Beverage$7,561 · 145 payments
- Honoraria$4,000 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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